CN104959385A - Special tool for replacing working roll moving block of hot continuous rolling finishing mill, and use method of special tool - Google Patents
Special tool for replacing working roll moving block of hot continuous rolling finishing mill, and use method of special tool Download PDFInfo
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- CN104959385A CN104959385A CN201510327537.3A CN201510327537A CN104959385A CN 104959385 A CN104959385 A CN 104959385A CN 201510327537 A CN201510327537 A CN 201510327537A CN 104959385 A CN104959385 A CN 104959385A
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- working roll
- movable block
- specific purpose
- purpose tool
- finishing mill
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Abstract
The invention discloses a special tool for replacing a working roll moving block of a hot continuous rolling finishing mill, and a use method of the special tool. The special tool comprises a vehicle body, a support part and a cushion block, wherein the vehicle body comprises a frame, a sliding plate and working roll replacing rails; a frame hook head is arranged on the frame; the sliding plate comprises an inlet side sliding plate and an outlet side sliding plate, and is fixed below the frame and connected with the working roll replacing rails; positioning bolts are arranged on the support part and used for fixing the vehicle body and preventing the vehicle body from moving out of the working roll replacing rails; and the cushion block is used for adjusting the height of the support part to allow the upper surface of the support part and the lower surface of a to-be-replaced working roll moving block to be positioned at the same height, thereby facilitating removing and loading the working roll moving block. The special tool is suitable for replacement of the upper and lower moving blocks of working roll of various finishing mills, is simple and convenient to operate, simple in structure, convenient to popularize and use, time-saving, labor-saving, safe and reliable, and is further suitable for transfer of other objects in the finishing mill.
Description
Technical field
The invention belongs to steel rolling equipment technical field, be specifically related to a kind of hot-rolling finishing mill working roll movable block and change specific purpose tool.
Background technology
Metallurgy industry hot continuous rolling production line finishing mill is one of nucleus equipment of rolling line, plays key effect to the Quality and yield of product.Wherein, finish rolling Strip Shape Control comprises working roll roll shifting and roller controls, and working roll roll shifting and roller control all to be realized by the roll shifting cylinder on working roll movable block and balance roll-bending cylinder, and therefore, working roll movable block is the vitals of finishing mill.The replacing of working roll movable block is always one of difficult point of metallurgy industry hot continuous rolling production line overhaul of the equipments.Because working roll movable block is arranged on the fixed block within finishing mill frame, fixed block bolted is on mill housing, and construction space is little, and working roll movable block volume is large, heavy, cannot directly using overhead traveling crane handling, causing working roll movable block to shift out with shift-in when changing very difficult.
At present, the replacing of domestic each metallurgy industry hot continuous rolling working roll movable block mostly adopts first extracts upper working rolls and lower working rolls and top backing up roll out, sling with the way bottle gouard moved by hands of artificial lifting again and have bad luck, be transplanted on milling train fore side window, coordinated by bottle gouard moved by hands and overhead traveling crane again, in milling train, working roll movable block is little by little shifted out, change.Such dismounting required time is long, labour intensity is large, poor stability.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of hot-rolling finishing mill working roll movable block to change specific purpose tool, utilize working roll push-and-pull cylinder to transfer, change working roll movable block, solve the difficult problem that working roll movable block is changed.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of hot-rolling finishing mill working roll movable block changes specific purpose tool, comprise car body, support section and cushion block, it is characterized in that: described car body comprises vehicle frame, slide plate and the roller track that changes jobs, described vehicle frame is provided with vehicle frame gib head, described slide plate comprises entrance sideskid and outlet side slide plate, and described slide plate is fixed on below vehicle frame, and sliding with the roller track that changes jobs connects; Described support section is provided with bolt, for fixing car body, prevents from car body from shifting out changing jobs roller track; Described cushion block, for adjusting the height of support section, makes the lower surface of the upper surface of support section and working roll movable block to be replaced be positioned at sustained height, is convenient to shifting out and loading of working roll movable block.
Described entrance side slide plate is recessed slide plate, and the corresponding roller track that changes jobs is raised track; Described outlet side slide plate is flat runner, and the corresponding roller track that changes jobs is plate rail road.Entrance side is recessed slide plate, outlet side is flat runner, close with the matching form of the roller track that changes jobs of milling train, to the object in the movement on roller track that changes jobs, there is positioning function, object is not de-orbited when mobile, ensure that object is in the steadily movement on roller track that changes jobs.
Described support section comprises brace summer, transition block and alignment pin, described transition block is placed on brace summer, and wherein, described transition block comprises erects that transition block is peaceful puts transition block, described setting transition block is provided with positioning spiro pit, and the peaceful transition block of putting of described brace summer is provided with locating hole.
Further, described bolt comprises end bolt and interfix bolt, can prevent external force from passing to car body and make car body be shifted and depart from the roller track that changes jobs.
Alternatively, described support section comprises bracing frame and nose girder.
Further, described bolt comprises entrance side bolt and outlet side bolt.
The concrete using method of specific purpose tool of the present invention is: what specific purpose tool of the present invention is placed in car body changes jobs on roller track, by work roll changing push-and-pull cylinder, working roll movable block is changed specific purpose tool and shifts the working roll movable block needing to change onto; Utilize chain block that working roll movable block is moved on this specific purpose tool, by work roll changing push-and-pull cylinder, this specific purpose tool is pulled out together with the working roll movable block needing to change; Old working roll movable block is hung away, new working roll movable block is hung on this replacing specific purpose tool, then by working roll push-and-pull cylinder, this specific purpose tool is shifted onto former working roll movable block; Utilize jack that new working roll movable block top is put in place; Install after fixedly completing, by work roll changing push-and-pull cylinder, this specific purpose tool is pulled out.
The invention has the beneficial effects as follows:
1, different pads is used, the height of brace summer or bracing frame can be adjusted, the lower surface of the upper surface of brace summer or bracing frame and working roll movable block to be replaced is made to be in same height, be convenient to shifting out and loading of working roll movable block, be applicable to the replacing that the various finishing mill working roll of hot continuous rolling moves up and down block;
2, working roll movable block is removed and is again returned and installs to position, is all translation motion and sliding friction, both time saving and energy saving, ensures handling safety again;
3, avoid remove top backing up roll, maintenance of equipment chain block such as to have bad luck at the process after slinging in milling train, simplifies operating process;
4, the transfer of other objects in milling train is also applicable to;
5, structure is simple, is convenient to manufacture and promotes the use of.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of car body of the present invention.
Fig. 3 is the structural representation of first embodiment of the invention.
Fig. 4 is the structural representation of first embodiment of the invention support section.
Fig. 5 is the structural representation of first embodiment of the invention bolt.
Fig. 6 is the structural representation of transition block.
Fig. 7 is the sectional view of Fig. 6.
Fig. 8 is the schematic diagram of first embodiment of the invention in milling train.
Fig. 9 is the A-A sectional view of Fig. 8.
Figure 10 is the schematic diagram that under the first embodiment, movable block shifts out.
Figure 11 is the schematic diagram that under the first embodiment, movable block returns dress.
Figure 12 is the structural representation of second embodiment of the invention.
Figure 13 is the structural representation of brace summer of the present invention.
Figure 14 is the top view of Figure 13.
Figure 15 is the schematic diagram of second embodiment of the invention in milling train.
Figure 16 is the B-B sectional view of Figure 15.
Figure 17 is the schematic diagram that in the second embodiment, movable block shifts out.
Figure 18 is the schematic diagram that in the second embodiment, movable block returns dress.
In figure: 1-car body, 2-end bolt, 3-interfix bolt, 4-erects transition block, 5-brace summer, 6-keeps flat transition block, 7-alignment pin, 8-cushion block, 9-bracing frame, 10-entrance side bolt, 11-outlet side bolt, 12-nose girder, 13-flat runner, the recessed slide plate of 14-, 15-vehicle frame, 16-mill housing, 17-entrance side fixed block, movable block on 18-entrance side, 19-entrance side baffle plate, movable block on 20-outlet side, 21-outlet side fixed block, 22-outlet side baffle plate, movable block under 23-outlet side, plunger of balance cylinder under 24-movable block, 25-plate rail road, 26-exit track beam, 27-raised track, 28-entrance track beam, movable block under 29-entrance, movable block baffle plate under 30-.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the present invention is further illustrated.
According to rolling direction, the direction that rolled piece enters milling train is entrance, and rolled piece leaves the direction of milling train for outlet.
Embodiment 1:
As shown in Figure 1 to 11: a kind of hot-rolling finishing mill working roll movable block changes specific purpose tool, comprise car body 1, support section, cushion block 8 and bolt, described car body 1 comprises vehicle frame 15, slide plate 13,14 and the roller track 25,27 that changes jobs, described vehicle frame 15 is provided with vehicle frame gib head, be connected with the gib head of work roll changing push-and-pull cylinder, be convenient to push-and-pull car body and move; Described slide plate 13,14 is fixed on to slide with the roller track 25,27 that changes jobs below vehicle frame 15 and connects, and slide plate 13,14 and track 25,27 sliding friction when car body 1 moves, car body 1 plays a part to shift out, send to.Described support section comprises brace summer 5, transition block 4,6 and alignment pin 7, described brace summer 5 puts into car body 1, transition block 4,6 is arranged on brace summer 5, and described setting transition block is also processed with positioning spiro pit, and peaceful the putting in transition block 6 of described brace summer 5 is processed with locating hole.When transition block 6 keeps flat use, alignment pin 7 is inserted in the peaceful locating hole put in transition block 6 of brace summer 5; When transition block 4 holds up use, make the column part of setting transition block 4 tail end insert in the locating hole of brace summer 5, interfix bolt 3 is screwed in the positioning spiro pit in setting transition block 4 and plays the role of positioning.When transition block 6 keeps flat use, play guide rail during 29 translation thereon of entrance bottom working roll movable block, brace summer 5 has the effect of guide rail, load-bearing.
The process of movable block under replacing working roll:
Brace summer 5 is put into car body 1, for ease of measuring, according to the distance of roller track 25 with movable block 29 lower surface under the entrance side that need change that change jobs, select the cushion block 8 of proper height, be placed between brace summer 5 and car body 1 and carry out Height Adjustment, ensure that keeping flat transition block 6 upper surface is attached on the lower surface of movable block 29 under entrance; Setting transition block 4 erects and is arranged on brace summer 5.
When changing movable block under working roll, put two brace summers 5 and erect that transition block 4 is peaceful puts transition block 6 accordingly; The roller push-and-pull cylinder that changes jobs stretches out, and assembly such as brace summer 5 grade is sent to car body 1 and puts in place.Under entrance, the transition block 6 that keeps flat of movable block 29 side keeps flat and installs and uses, insert alignment pin 7, the setting transition block 4 of non-replaceable side is inserted in the locating hole of the another side of brace summer 5, interfix bolt 3 is twisted thereon simultaneously, and under withstanding on the outlet side of non-replaceable side on movable block 23, under the entrance side preventing movement from need change, during movable block 29, car body 1 is shifted thereupon, causes the slide plate 13,14 on car body 1 to depart from the roller track 25,27 that changes jobs.Under the outlet side that need change, solid welding suspension ring on movable block 29, install shackle, with chain block pull-out, to pull movable block 29 under the working roll that need change with chain block, make it to move on brace summer 5 along keeping flat transition block 6.Unclamp the interfix bolt 3 erect in transition block 4, take out that alignment pin 7 is peaceful puts transition block 6, remove chain block.By changing jobs, roller push-and-pull cylinder pulls out car body 1, and under the working roll that need change, movable block 29 is drawn out milling train thereupon, is hung away the working roll movable block changed by overhead traveling crane, then hangs new working roll movable block; By the roller push-and-pull cylinder that changes jobs, car body 1 is sent into, under new working roll, movable block is admitted to milling train thereupon again; After putting in place, need change end installation keep flat transition block 6, rotate the end face bolt 2 in transition block 6, withstand on the entrance side fixed block 17 on mill housing 16, insert alignment pin 7 again, to prevent under new working roll movable block brace summer 5 is peaceful put translation in transition block 6 time car body be shifted thereupon, make the slide plate 13,14 on car body depart from the roller track 25,27 that changes jobs, recycling jack heads into new working roll movable block.After new working roll movable block installs, take out that alignment pin 7 is peaceful puts transition block 6 in order, by changing jobs, roller push-and-pull cylinder pulls out car body 1, then hangs away mobile block changing device by overhead traveling crane.
Embodiment 2:
As Fig. 1,2, shown in Figure 12 to Figure 18: a kind of hot-rolling finishing mill working roll movable block changes specific purpose tool, comprise car body 1, support section, cushion block 8 and bolt, described car body 1 comprises vehicle frame 15, slide plate 13,14 and the roller track 25,27 that changes jobs, described vehicle frame 15 is provided with vehicle frame gib head, be connected with the gib head of work roll changing push-and-pull cylinder, be convenient to push-and-pull car body and move; Described slide plate 13,14 is fixed on to slide with the roller track 25,27 that changes jobs below vehicle frame 1 and connects, and slide plate 13,14 and track 25,27 sliding friction when car body 1 moves, car body 1 plays a part to shift out, send to.Described support section comprises bracing frame 9 and nose girder 12, and support frame as described above 9 is placed in car body 1, and for the replacing of top working roll movable block 18, during 18 translation of top working roll movable block, bracing frame 9 plays guide rail, load-bearing and location.
Change the process of movable block on working roll:
The baffle plate of entrance, outlet both sides vertical shift block respectively has two pieces, when changing movable block 18 on entrance side, a block entrance side shield 19 of first dismantling is rear installs one piece of lower movable block baffle plate 30, and another block baffle plate 19 of then dismantling installs one piece of lower movable block baffle plate 30 again, prevents lower movable block from falling.Described lower movable block baffle plate is changed a social system by movable block baffle plate and is formed, and namely removes the part of fixing upper movable block.
When bracing frame 9 is put into car body 1, according to the distance on change jobs roller track 25 and the entrance side that need change between movable block 18 lower surface, select the cushion block 8 of proper height to be placed between bracing frame 9 and car body 1, the height making nose girder 12 upper surface is consistent with the height of movable block 18 lower surface on the entrance side that need change.The roller push-and-pull cylinder that changes jobs stretches out, and bracing frame 9 is sent to car body 1 and puts in place, rotates the outlet side bolt 11 of non-replaceable end, withstands on the outlet side baffle plate 22 of non-replaceable side; In order to prevent on the working roll that need change movable block 18 on the nose girder 12 of bracing frame 9 during translation car body 1 be shifted thereupon, the slide plate 13,14 on car body 1 is made to depart from the roller track 25,27 that changes jobs, solid welding suspension ring on movable block 18 on the entrance side that need change, install shackle, with chain block pull-out, to make it to move on car body 1 along nose girder 12.Unclamp the outlet side bolt 11 on non-replaceable end, remove chain block, by changing jobs, roller push-and-pull cylinder pulls out car body 1, and on the working roll that need change, movable block 18 pulls out milling train thereupon.Hung away movable block 18 on the working roll changed by overhead traveling crane, then hang new working roll movable block; By the roller push-and-pull cylinder that changes jobs, car body 1 is sent into, new working roll movable block is admitted to milling train thereupon again; After putting in place, rotate the entrance side bolt 10 changing end, withstand on entrance side fixed block 17, prevent new working roll movable block on the nose girder 12 of bracing frame 9 during translation car body 1 be shifted thereupon, the slide plate 13,14 on car body is departed from and to change jobs roller track 25,27.Utilize jack that new working roll movable block is headed into, after new working roll movable block installs, unclamp the entrance side bolt 10 changing end, by changing jobs, roller push-and-pull cylinder pulls out car body 1, then hangs away mobile block changing device by overhead traveling crane.
The foregoing is only preferred embodiment of the present invention, is not limitation of the present invention.The change that those of ordinary skill in the art makes in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (10)
1. a hot-rolling finishing mill working roll movable block changes specific purpose tool, comprise car body, support section and cushion block, it is characterized in that: described car body comprises vehicle frame, slide plate and the roller track that changes jobs, described vehicle frame is provided with vehicle frame gib head, described slide plate comprises entrance sideskid and outlet side slide plate, and described slide plate is fixed on below vehicle frame, and sliding with the roller track that changes jobs connects, described support section is provided with bolt, and described cushion block is for adjusting the height of support section.
2. hot-rolling finishing mill working roll movable block according to claim 1 changes specific purpose tool, it is characterized in that: described entrance side slide plate is recessed slide plate, and the corresponding roller track that changes jobs is raised track.
3. hot-rolling finishing mill working roll movable block according to claim 1 changes specific purpose tool, it is characterized in that: described outlet side slide plate is flat runner, and the corresponding roller track that changes jobs is plate rail road.
4. the hot-rolling finishing mill working roll movable block according to claim 1 or 2 or 3 changes specific purpose tool, and it is characterized in that: described support section comprises brace summer, transition block and alignment pin, described transition block is placed on brace summer.
5. hot-rolling finishing mill working roll movable block according to claim 4 changes specific purpose tool, it is characterized in that: described transition block comprises erects that transition block is peaceful puts transition block.
6. hot-rolling finishing mill working roll movable block according to claim 5 changes specific purpose tool, and it is characterized in that: described setting transition block is provided with positioning spiro pit, the peaceful transition block of putting of described brace summer is provided with locating hole.
7. hot-rolling finishing mill working roll movable block according to claim 4 changes specific purpose tool, it is characterized in that: described bolt comprises end bolt and interfix bolt.
8. the hot-rolling finishing mill working roll movable block according to claim 1 or 2 or 3 changes specific purpose tool, it is characterized in that: described support section comprises bracing frame and nose girder.
9. hot-rolling finishing mill working roll movable block according to claim 8 changes specific purpose tool, it is characterized in that: described bolt comprises entrance side bolt and outlet side bolt.
10. hot-rolling finishing mill working roll movable block as claimed in claim 1 changes a using method for specific purpose tool, it is characterized in that: comprise the following steps:
(1) that hot-rolling finishing mill working roll track is changed that specific purpose tool is placed in car body changes jobs on roller track, by work roll changing push-and-pull cylinder, working roll movable block is changed specific purpose tool and shifts the working roll movable block needing to change onto;
(2) utilize chain block that working roll movable block is moved on this replacing specific purpose tool, by work roll changing push-and-pull cylinder, this specific purpose tool is pulled out together with the working roll movable block needing to change;
(3) old working roll movable block is hung away, new working roll movable block is hung on this replacing specific purpose tool, then by working roll push-and-pull cylinder, this specific purpose tool is shifted onto former working roll movable block;
(4) utilize jack that new working roll movable block top is put in place;
(5), after installation fixedly completes, by work roll changing push-and-pull cylinder, this specific purpose tool is pulled out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510327537.3A CN104959385B (en) | 2015-06-15 | 2015-06-15 | A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510327537.3A CN104959385B (en) | 2015-06-15 | 2015-06-15 | A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104959385A true CN104959385A (en) | 2015-10-07 |
| CN104959385B CN104959385B (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510327537.3A Expired - Fee Related CN104959385B (en) | 2015-06-15 | 2015-06-15 | A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool and its application method |
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| Country | Link |
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| CN (1) | CN104959385B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904399A (en) * | 2016-05-03 | 2016-08-31 | 首钢京唐钢铁联合有限责任公司 | Method and device for improving replacing speed of bending cylinder block of finishing mill |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001150009A (en) * | 1999-11-30 | 2001-06-05 | Mitsubishi Heavy Ind Ltd | Equipment for roll unit replacement for roll mill |
| CN201313106Y (en) * | 2008-11-21 | 2009-09-23 | 鞍山钢铁集团公司 | Special small vehicle for troubleshooting of edger mill |
| CN202516851U (en) * | 2012-03-11 | 2012-11-07 | 吉林建龙钢铁有限责任公司 | Tool for replacing and transporting large components in rolling mill |
| CN102950451A (en) * | 2012-11-21 | 2013-03-06 | 马钢(集团)控股有限公司 | Quick replacement method of counterbalance of four-high mill |
| CN204724585U (en) * | 2015-06-15 | 2015-10-28 | 山东钢铁股份有限公司 | A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool |
-
2015
- 2015-06-15 CN CN201510327537.3A patent/CN104959385B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001150009A (en) * | 1999-11-30 | 2001-06-05 | Mitsubishi Heavy Ind Ltd | Equipment for roll unit replacement for roll mill |
| CN201313106Y (en) * | 2008-11-21 | 2009-09-23 | 鞍山钢铁集团公司 | Special small vehicle for troubleshooting of edger mill |
| CN202516851U (en) * | 2012-03-11 | 2012-11-07 | 吉林建龙钢铁有限责任公司 | Tool for replacing and transporting large components in rolling mill |
| CN102950451A (en) * | 2012-11-21 | 2013-03-06 | 马钢(集团)控股有限公司 | Quick replacement method of counterbalance of four-high mill |
| CN204724585U (en) * | 2015-06-15 | 2015-10-28 | 山东钢铁股份有限公司 | A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904399A (en) * | 2016-05-03 | 2016-08-31 | 首钢京唐钢铁联合有限责任公司 | Method and device for improving replacing speed of bending cylinder block of finishing mill |
| CN105904399B (en) * | 2016-05-03 | 2018-04-17 | 首钢京唐钢铁联合有限责任公司 | Method and device for improving replacing speed of bending cylinder block of finishing mill |
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| Publication number | Publication date |
|---|---|
| CN104959385B (en) | 2017-10-31 |
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